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transcatheter aortic valve replacement

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https://www.readbyqxmd.com/read/28714522/factors-associated-with-safe-early-discharge-after-trans-catheter-aortic-valve-implantation
#1
Omar Aldalati, Friedon Keshavarzi, Amit Kaura, Jonathan Byrne, Mehdi Eskandari, Ranjit Deshpande, Mark Monaghan, Olaf Wendler, Rafal Dworakowski, Philip Maccarthy
BACKGROUND: As transcatheter aortic valve replacement (TAVI) becomes more straightforward, a larger proportion of patients will be well enough to be discharged early. This study sought to characterise the clinical features that allowed patients to be discharged early after TAVI and to evaluate the safety of an early discharge policy. METHODS: All patients undergoing TAVI at the above cited centre from August 2007 to March 2015 were included in this study. Baseline characteristics, in-hospital outcomes, re-admissions and mortality were compared...
July 17, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28713024/to-retrieve-or-not-to-retrieve-system-revisions-with-the-micra-transcatheter-pacemaker
#2
Eric Grubman, Philippe Ritter, Christopher R Ellis, Michael Giocondo, Ralph Augostini, Petr Neuzil, Bipin Ravindran, Anshul M Patel, Pamela Omdahl, Karen Pieper, Kurt Stromberg, J Harrison Hudnall, Dwight Reynolds
BACKGROUND: Early experience with leadless pacemakers has shown a low rate of complications. However, little is known about system revision in patients with these devices. OBJECTIVE: To describe the system revision experience with the Micra Transcatheter Pacing System (TPS). METHODS: Implanted patients from the Micra TPS and the Micra Continued Access study (N = 989) were analyzed and compared to 2667 patients with transvenous pacemakers (TVP)...
July 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28712581/cost-and-contribution-margin-of-transcatheter-versus-surgical-aortic-valve-replacement
#3
Fenton H McCarthy, Danielle C Savino, Chase R Brown, Joseph E Bavaria, Vinay Kini, Danielle D Spragan, Taylor R Dibble, Howard C Herrmann, Saif Anwaruddin, Jay Giri, Wilson Y Szeto, Peter W Groeneveld, Nimesh D Desai
OBJECTIVE: To compare the cost of and payments for transcatheter aortic valve replacement (TAVR), a novel and expensive technology, and surgical aortic valve replacement (SAVR). METHODS: Medicare claims provided hospital charges, payments, and outcomes between January and December 2012. Hospital costs and charges were estimated using hospital-specific cost-to-charge ratios. Costs and payments were examined in propensity score- matched TAVR and SAVR patients. RESULTS: Medicare spent $215,770,200 nationally on 4083 patients who underwent TAVR in 2012...
June 21, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28712578/outcomes-readmissions-and-costs-in-transfemoral-and-alterative-access-transcatheter-aortic-valve-replacement-in-the-us-medicare-population
#4
Fenton H McCarthy, Danielle D Spragan, Danielle Savino, Taylor Dibble, Ashley C Hoedt, Katherine M McDermott, Joseph E Bavaria, Howard C Herrmann, Saif Anwaruddin, Jay Giri, Wilson Y Szeto, Peter W Groeneveld, Nimesh D Desai
OBJECTIVE: To comprehensively evaluate and compare utilization, outcomes, and especially costs of transfemoral (TF), transapical (TA), and transaortic (TAO) transcatheter aortic valve replacement (TAVR). METHODS: All Medicare fee-for-service patients undergoing TF (n = 4065), TA (n = 691), or TAO (n = 274) TAVR between January 1, 2011, and November 30, 2012, were identified using Health Care Procedure Classification Codes present on Medicare claims. Hospital charges from Medicare claims were converted to costs using hospital-specific Medicare cost-to-charge ratios...
June 16, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28711323/transapical-and-transaortic-transcatheter-aortic-valve-replacement-still-part-of-the-game-and-at-what-cost
#5
EDITORIAL
Jessica Forcillo, Vinod H Thourani
No abstract text is available yet for this article.
June 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28710182/elevation-of-b-type-natriuretic-peptide-at-discharge-is-associated-with-2-year-mortality-after-transcatheter-aortic-valve-replacement-in-patients-with-severe-aortic-stenosis-insights-from-a-multicenter-prospective-ocean-tavi-optimized-transcatheter-valvular
#6
Kazuki Mizutani, Masahiko Hara, Shinichi Iwata, Takashi Murakami, Toshihiko Shibata, Minoru Yoshiyama, Toru Naganuma, Futoshi Yamanaka, Akihiro Higashimori, Norio Tada, Kensuke Takagi, Motoharu Araki, Hiroshi Ueno, Minoru Tabata, Shinichi Shirai, Yusuke Watanabe, Masanori Yamamoto, Kentaro Hayashida
BACKGROUND: In this study, we sought to investigate the 2-year prognostic impact of B-type natriuretic peptide (BNP) levels at discharge, following transcatheter aortic valve replacement. METHODS AND RESULTS: We enrolled 1094 consecutive patients who underwent transcatheter aortic valve replacement between 2013 and 2016. Study patients were stratified into 2 groups according to survival classification and regression tree analysis (high versus low BNP groups). We evaluated the impact of high BNP on 2-year mortality compared with that of low BNP using a multivariable Cox model, and assessed whether this stratification would improve predictive accuracy for determining 2-year mortality by assessing time-dependent net reclassification improvement and integrated discrimination improvement...
July 14, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28701529/blood-pressure-arterial-load-and-survival-after-transcatheter-aortic-valve-replacement-reducing-the-gradient-is-only-part-of-the-picture
#7
EDITORIAL
Patrick T O'Gara
No abstract text is available yet for this article.
July 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28701528/blood-pressure-and-arterial-load-after-transcatheter-aortic-valve-replacement-for-aortic-stenosis
#8
Brian R Lindman, Catherine M Otto, Pamela S Douglas, Rebecca T Hahn, Sammy Elmariah, Neil J Weissman, William J Stewart, Girma M Ayele, Feifan Zhang, Alan Zajarias, Hersh S Maniar, Hasan Jilaihawi, Eugene Blackstone, Khaja M Chinnakondepalli, E Murat Tuzcu, Martin B Leon, Philippe Pibarot
BACKGROUND: After aortic valve replacement, left ventricular afterload is often characterized by the residual valve obstruction. Our objective was to determine whether higher systemic arterial afterload-as reflected in blood pressure, pulsatile and resistive load-is associated with adverse clinical outcomes after transcatheter aortic valve replacement (TAVR). METHODS AND RESULTS: Total, pulsatile, and resistive arterial load were measured in 2141 patients with severe aortic stenosis treated with TAVR in the PARTNER I trial (Placement of Aortic Transcatheter Valve) who had systolic blood pressure (SBP) and an echocardiogram obtained 30 days after TAVR...
July 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28700842/surgical-or-transcatheter-aortic-valve-replacement
#9
LETTER
Michael J Reardon, Nicolas M Van Mieghem, Jeffrey J Popma
No abstract text is available yet for this article.
July 13, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28700841/surgical-or-transcatheter-aortic-valve-replacement
#10
LETTER
Antonio Miceli, Antonio Lio, Mattia Glauber
No abstract text is available yet for this article.
July 13, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28700840/surgical-or-transcatheter-aortic-valve-replacement
#11
LETTER
(no author information available yet)
New England Journal of Medicine, Volume 377, Issue 2, Page 195-198, July 2017.
July 13, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28698291/bioprosthetic-valve-fracture-improves-the-hemodynamic-results-of-valve-in-valve-transcatheter-aortic-valve-replacement
#12
Adnan K Chhatriwalla, Keith B Allen, John T Saxon, David J Cohen, Sanjeev Aggarwal, Anthony J Hart, Suzanne J Baron, Danny Dvir, A Michael Borkon
BACKGROUND: Valve-in-valve (VIV) transcatheter aortic valve replacement (TAVR) may be less effective in small surgical valves because of patient/prosthesis mismatch. Bioprosthetic valve fracture (BVF) using a high-pressure balloon can be performed to facilitate VIV TAVR. METHODS AND RESULTS: We report data from 20 consecutive clinical cases in which BVF was successfully performed before or after VIV TAVR by inflation of a high-pressure balloon positioned across the valve ring during rapid ventricular pacing...
July 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28698290/clinical-and-echocardiographic-outcomes-following-permanent-pacemaker-implantation-after-transcatheter-aortic-valve-replacement-meta-analysis-and-meta-regression
#13
Divyanshu Mohananey, Yash Jobanputra, Arnav Kumar, Amar Krishnaswamy, Stephanie Mick, Jonathon M White, Samir R Kapadia
BACKGROUND: Transcatheter aortic valve replacement has become the procedure of choice for inoperable, high-risk, and many intermediate-risk patients with aortic stenosis. Conduction abnormalities are a common finding after transcatheter aortic valve replacement and often result in permanent pacemaker (PPM) implantation. Data pertaining to the clinical impact of PPM implantation are controversial. We used meta-analysis techniques to summarize the effect of PPM implantation on clinical and echocardiographic outcomes after transcatheter aortic valve replacement...
July 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28698259/reversibility-of-cardiac-function-predicts-outcome-after-transcatheter-aortic-valve-replacement-in-patients-with-severe-aortic-stenosis
#14
Kimi Sato, Arnav Kumar, Brandon M Jones, Stephanie L Mick, Amar Krishnaswamy, Richard A Grimm, Milind Y Desai, Brian P Griffin, L Leonardo Rodriguez, Samir R Kapadia, Nancy A Obuchowski, Zoran B Popović
BACKGROUND: Reversibility of left ventricular (LV) dysfunction in high-risk aortic stenosis patient and its impact on survival after transcatheter aortic valve replacement (TAVR) are unclear. We aimed to evaluate longitudinal changes of LV structure and function after TAVR and their impact on survival. METHODS AND RESULTS: We studied 209 patients with aortic stenosis who underwent TAVR from May 2006 to December 2012. Echocardiograms were used to calculate LV end-diastolic volume index (LVEDVi), LV ejection fraction, LV mass index (LVMi), and global longitudinal strain before, immediately (<10 days), late (1-3 months), and yearly after TAVR...
July 11, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28693934/frailty-in-older-adults-undergoing-aortic%C3%A2-valve-replacement-the-frailty-avr-study
#15
Jonathan Afilalo, Sandra Lauck, Dae H Kim, Thierry Lefèvre, Nicolo Piazza, Kevin Lachapelle, Giuseppe Martucci, Andre Lamy, Marino Labinaz, Mark D Peterson, Rakesh C Arora, Nicolas Noiseux, Andrew Rassi, Igor F Palacios, Philippe Généreux, Brian R Lindman, Anita W Asgar, Caroline A Kim, Amanda Trnkus, José A Morais, Yves Langlois, Lawrence G Rudski, Jean-Francois Morin, Jeffrey J Popma, John G Webb, Louis P Perrault
BACKGROUND: Frailty is a geriatric syndrome that diminishes the potential for functional recovery after a transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR) procedure; however, its integration in clinical practice has been limited by a lack of consensus on how to measure it. OBJECTIVES: This study sought to compare the incremental predictive value of 7 different frailty scales to predict poor outcomes following TAVR or SAVR...
July 1, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28693565/two-year-post-discharge-costs-of-care-among-patients-treated-with-transcatheter-or-surgical-aortic-valve-replacement-in-germany
#16
Klaus Kaier, Frederike von Kampen, Hardy Baumbach, Constantin von Zur Mühlen, Philip Hehn, Werner Vach, Manfred Zehender, Christoph Bode, Jochen Reinöhl
BACKGROUND: This study presents data on post-discharge costs of care among patients treated with transcatheter or surgical aortic valve replacement over a two year period. METHODS: Based on a prospective clinical trial, post-discharge utilization of health services and status of assistance were collected for 151 elderly patients via 2250 monthly telephone interviews, valued using standardized unit costs and analysed using two-part regression models. RESULTS: At month 1 post-discharge, total costs of care are substantially elevated (monthly mean: €3506...
July 11, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28691909/fracturing-mechanics-before-valve-in-valve-therapy-of-small-aortic-bioprosthetic-heart-valves
#17
Peter Johansen, Henrik Engholt, Mariann Tang, Rasmus F Nybo, Per D Rasmussen, Jens Erik Nielsen-Kudsk
AIMS: Patients with degraded bioprosthetic heart valves (BHV) who are not candidates for valve replacement may benefit from transcatheter valve-in-valve (VIV) therapy. However, at smaller sized surgical BHV the resultant orifice may become too narrow. To overcome this, the valve frame can be fractured by a high-pressure balloon prior to VIV. However, knowledge on fracture pressures and mechanics are prerequisites. The aim of this study is to identify the fracture pressures needed in BHV, and to describe the fracture mechanics...
July 11, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28689947/a-novel-iliac-morphology-score-predicts-procedural-mortality-and-major-vascular-complications-in-transfemoral-aortic-valve-replacement
#18
Juliet Blakeslee-Carter, David Dexter, Paul Mahoney, Sadie Ahanchi, Samuel Steerman, Sebastian Larion, Brandon Cain, Jean Panneton
OBJECTIVES: Vascular complications remain a significant technical challenge for transfemoral TAVR (Transcatheter Aortic Valve Replacement). The goal of this study was to develop a pre-operative tool for prediction of major vascular complications of TAVR. METHODS: A retrospective review was performed of all patients who underwent transfemoral TAVR at a tertiary medical center from 2011-2015. Iliofemoral arterial measurements were obtained with CTA 3D reconstructions images and an Iliac Morphology Score (IMS) was created from these measurements...
July 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28688833/balloon-aortic-valvuloplasty-in-the-transcatheter-valve-era-single-centre-indications-and-early-safety-data-in-a-high-risk-population
#19
Thomas J Ford, Katherine Nguyen, Joseph Brassil, Virag Kushwaha, Daniel Friedman, Roger Allan, Mark Pitney, Nigel Jepson
BACKGROUND: The introduction of transcatheter aortic valve implantation (TAVI) has generated a renewed interest in the techniques available to treat high-risk patients with severe aortic stenosis (AS). We report our single centre experience with balloon aortic valvuloplasty (BAV) focussing on indications, procedural success and 30-day outcomes. METHODS: We retrospectively reviewed all patients that underwent BAV procedures at our institution between August 2012 and August 2014...
June 2, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28688703/impact-of-qrs-duration-on-decision-of-early-removal-of-pacing-catheter-after-transcatheter-aortic-valve-replacement-with-corevalve-device
#20
Masao Takahashi, Gauthier Mouillet, Ronan Deballon, Arnaud Sudre, Nicolas Lellouche, Pascal Lim, Thomas Modine, Eric Vanbelle, Jean-Luc Dubois-Rande, Emmanuel Teiger
The purpose of this study was to determine the predictability of QRS duration (QRSd) for temporary pacing catheter removal in patients implanted with CoreValve. Permanent pacemaker implantation is a known complication after transcatheter aortic valve replacement (TAVI) with CoreValve. Although post-TAVI QRSd is highly predictive for advanced atrioventricular block (AVB), management of delayed AVB after TAVI remains unclear. We conducted a multicentric, prospective study of 156 consecutive patients who underwent TAVI with CoreValve between December 2010 and January 2013...
June 15, 2017: American Journal of Cardiology
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